Laboratory report from ATC Associates providing transmission electron microscopy results for air samples collected at 99 Church Street.
NYC-WTC_000124304–000124612Folder label: “99 CHURCH STREET Block: 123 Lot: 10 BIN: 1001396 26/42 PARK PL, 23-41 BARCLAY ST”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
ATC ASSOCIATES INC. - TEM ANALYSIS LAS GROUP #: 5670 - 10/12/01 Lab Sample No. 60955 Filter Type MCE 25 mm Operator Client Spl. No. L-5 Filter Area 385 mm"2 Instrument I.D. EM 10 CRX Grid I.D. Disk No. Screen Magnification 16.400X (GO) Area 0.01124 mm"2 Comments ACC. Voltage 80 kV No. GO to be Analyzed 4 ( 3.147 Struct. Corspd. to 70 s/mm"2.)
GO. Structure e e '"e Length I.D. of Structure N or,/ EDS (No b No Coord. No. F B C M _•g um a gum Chrys. Amphibole Nonaeb. Ambi ./ND Elements) / z7_,-
- Phote N.. from 1 is G asbaataa . Identify an slruatuaue using 1120` Cheok ditlraotiea for y"e.tw ora all unropeatod speatea (tat 4) Struet. a h p.sum & > sal aspeat Ratio d r, ores •ppe as o Totals Na Not Observed (13 3 spectrum or dlfreeUoa pattern) at least 20 culate untol pai iqw~ I C Weratay~ p,~titMi arl ebearrad~ $ ebyaaftln for Yr .p.r awe ( of (Its) iad (tae) r.elaotao.. rat. Per ampbibelem 0.0.3nm I.,., ll.. repeat, and 3.5 riNe of aaa-teianed sea ape` spaeit~ to parties attar of — —ed filter Chrysotile
Amphibole I"ar 0*.. dlstana. ( repeat ). `/a WYsation aritala ad`ab>wrwd1a0oitO'' AMPHIBOLES I Ambiguous ro single nber (1-3 iatsrsmtbm a 1-3 taboo) Amosite B. Bundle S pbers <1 ttber diameter apart) 23mm sitar Crocidolite I Non—asbestos 9 iatasaaliew) Na Matrix Stepping Anthophyyriite USDa No Structure. Detested >ea a/G.L or is tat 4 as Tremout° I Non —Identified U\Da1A\P a'es\Xl2o\cao Ell3 0/A2/0a Actinolite
NYC-WTC 000124321
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